12638220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30091}}^1$

素因数の和:30110

約数の個数: 48

約数和(自身を含む): 40443648

約数和(自身を除く): 27805428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30091, 60182, 90273, 120364, 150455, 180546, 210637, 300910, 361092, 421274, 451365, 601820, 631911, 842548, 902730, 1053185, 1263822, 1805460, 2106370, 2527644, 3159555, 4212740, 6319110, 12638220]

約数ペア:

[(1, 12638220), (2, 6319110), (3, 4212740), (4, 3159555), (5, 2527644), (6, 2106370), (7, 1805460), (10, 1263822), (12, 1053185), (14, 902730), (15, 842548), (20, 631911), (21, 601820), (28, 451365), (30, 421274), (35, 361092), (42, 300910), (60, 210637), (70, 180546), (84, 150455), (105, 120364), (140, 90273), (210, 60182), (420, 30091)]